klte-common: Update hardware keys overlay

Change-Id: Ifc84dc94fa0e9666590ebb91fca6a9c7403b1e26
klte-common: Address bcm2079x denial

Change-Id: Idbc527a62971436f524ab9621e50daed5279104a
klte-common: Use 48KHz sampling rate for A2DP

Change-Id: I4d6a6d6e1243f0d53cc67fe81d8e2dff8567234e
Merge remote-tracking branch 'cm/cm-12.0' into HEAD